Plate-thimble for pipes.



Patented Sept. 1T, 1918.

wuentoz .JZUHNW HAFPLEY G51M/@ 'y C] Humm,

J. W. FARLEY.

PLATE THIMBLE FOR PlPES.

APPLicATIoN man Nav. s, 1911.

` Pipes, of which JOHN W. FAB'LEY, OF CLEVELAND, OHIO. Y l

PLATE-THIMBLE FOR PIPES.

Speciication of Letters Patent.

Patented sepan, 191s.

Application'led November 8, 1917. Serial No. 200,884.

To all whom z't may concern:

Be it known that I, JOHN W. FARLEY,c1t1 zen of the United States,residing at Cleveland, inthe county of Cuyahoga and State of Ohio, have invented certain new and useful vImprovements in Plate-Thimbles for the following is a specification. 'g

My linvention relates to a plate-shaped thimble for steam, hot water and other pipes,

Vadapted to take up expansion and contractionl in such pipes where' they pass through relatively enlarged openings in walls and other places, all substantially as shown and described and particularly pointed `out in the claim.

Iny the accompanying drawings, Figure l is a sectional elevation of a wall with a section of a pipe therein and having my improved thimble in working position over the pipe and covering the opening in the wall.

Fig. 2 is afront elevation of Fig. 1, and Fig. 3 is arear elevation of the thimble as a whole. Fig. 4 is a cross section on line lr-4, Fig. 2, omitting the pipe, and Fig. 5 is a cross section on line 5 5, Fig. 2.

Fig. 6 is a cross section of the thimble showing the parts thereof in disconnecting relations. Figs. 7 and 8 are details of the two rimary or outer sections or elements of the fhimble, and Figs. 9'and 10 are details of the inner or secondary sections -or elements.

The entire device as shown is a thimble of plate shape and is made u p of plate or sheet metal sections stamped into the desired shape and adapted to lie or rest flatwlse against the wall about the pipe and covering the hole through which the pipe passes.

In this connection it should be understood that steam, hot water and other pipes employed to carry heated {iuids or liquids and which are hot and cold at intervals, are liable to such expansion and contraction under widely different temperatures that the diiference is expressed in an inch or more at a given point with a long pipe when it gets very hot, and it goes back to its original position or relation when it gets cool. Hence it is the practice by carpenters and builders to anticipate these conditions by forming oblong or enlarged holes or openings in walls for the passage of such pipes, but since suchV holes frequently must be considerably larger than the pipes they leave unsightly places which it is desirable to conceal. Hence the present invention, wherein accommodation for expansion and contraction is provided for by an ornamental covering for the opening.

The invention therefore consists'of'a plateshaped thimble consisting kof two prlmary or outer sections or elements a and b, and two inner or secondary elements orsections c andd, and which are adapted to be separably united Vinto a single article of manufacture and sale by features of construction peculiar to each section as will now be seen. Thus, the section a has tongues 2 atits inner edge with slight shoulders 3 at their base and adapted to coperate with tongues 4 on the opposite section having shoulders 5 at their base and slots 6 lthrou h said shoulders to receive the tongues 2. he said tongues interlock at their shoulders and can be separated or united when brought to the relation seen in Fig. 6. Then as the said sections are flattened they are locked together and present a fiat close fitting connection which has the appearance externally of a single plate with a mere line at the middle, the said tongues being inside.

The said. outer plates or plate sections are also provided with guideways or ianges 8 lengthwise on their inside formed by brazing or otherwise securing a strip of sheet metal,n on said plates and bending the same inward at one edge to produce said flanges or guideways, and the inner or secondary plate sections c and d are adapted to be slidably engaged within these flanges by sliding them in together endwise, and they may be reversed or turned end for end therein and serve the same purpose in either case.

The said inner plates or sections are connected in like manner as the outer sections,

the section c having tongues 10 with shoulders 1l at their base, and the section d having tongues l2 with shoulders 13 at their base and slots 14 in said shoulders. Now, having connected the said plates c and al at said tongues they are slipped together endwise beneath the said flanges 8 and the complete unit is ready for use. The said outer plates have their edges turned or flanged inward to about the depth of the flanges 8 inside, so that the plate as a whole will bear all around at its edge with a close fit against a wall or other surface on which vided to fix the device by screws in permatogether produce when the plates are `united v and which provides for the movement of the pipe P .underexpansion and contraction as above set forth, and the inner plate sections have half round recesses 18 in their 'inner edges Yadapted to t closely around lthe pipe,

' and being shorter than the outer plates can move upforfdown to afford the necessary accommodation, or orosswiseirn the parts are positioned in .that way, and not uncover the oblong opening in the outer sections.

y"lh'e' thimble as Athus shown and described is placed in position on :the 4pipe and for service on the outside of the wall through whicli' the pipe projects'after the pipe has been' placed 'in position, and automatically accommodates itself to'i'contraction and :expansionof 'the pipe ashereinbeoredescribed.

'Wha 1 ,dem is: t

Athirnble `for rpipes consisting of two .na-in plates adapted to `be permanently `fixed in position and provided with opposite rounded `recesses to engage about a. pipe and one of said plates having plain right angled shouldered `tongues and the other having corresponding shouldered tongues with slots through 'theishouldered base portions there- .of adapted to receive the rst named tongues in interlocked engagement and said plates having 'Straight parallel fia-Deed seid@ :pieces affixed lengthwise thereto next behind the recesses therein, in lcon ibination with two auxiliary plates provided with ,opposite-half round recessesand Vone of y said plates having a plain shouldered tongue andvtheriother 3,1

shouldered slotted 'tong-@Mld seid tellglwsY adapted to make interlocking engagement with-each other and slidably connedin said guideways. .Y

`Signal a @16eme Vin the i@une 4of Cuyahoga, and Statef Qhath's 30th .der of October, 1917. Y Y

' 10H-NW. 

